5.2.3 Packet Tracer – Implement EIGRP for IPv4 and IPv6 (Answers)

5.2.3 Packet Tracer – Implement EIGRP for IPv4 and IPv6 (Answers)

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5.2.3 Packet Tracer - Implement EIGRP for IPv4 and IPv6

5.2.3 Packet Tracer – Implement EIGRP for IPv4 and IPv6

Instructor Note: Red font color or gray highlights indicate text that appears in the instructor copy only.

IPv4 Addressing Table

Device Interface IPv4 Address Subnet Mask
IPv4-Edge S0/0/0 172.31.6.1 255.255.255.252
S0/0/1 10.10.8.1 255.255.255.252
S0/1/0 209.165.200.226 255.255.255.224
R1 S0/0/0 172.31.6.2 255.255.255.252
Lo8 172.31.0.1 255.255.255.128
Lo9 172.31.0.129 255.255.255.128
Lo10 172.31.1.1 255.255.255.128
Lo11 172.31.1.129 255.255.255.128
R2 S0/0/1 10.10.8.2 255.255.255.252
Lo1 10.10.0.1 255.255.255.0
Lo2 10.10.1.1 255.255.255.0
Lo3 10.10.2.1 255.255.254.0
Lo4 10.10.4.1 255.255.252.0
IPv4 Server NIC 64.100.1.10 255.255.255.0

IPv6 Addressing Table

Device Interface IPv6 Address and Prefix Length
IPv6-Edge S0/0/0 2001:DB8:A001:6::1/64
S0/0/1 2001:DB8:A001:7::1/64
S0/1/0 2001:DB8:CAFE:1::2/64
R3 S0/0/0 2001:DB8:A001:7::2/64
R4 S0/0/1 2001:DB8:A001:6::2/64
IPv6 Server NIC 2001:DB8:CAFE:1000::A/64

Scenario

In this activity, you must implement EIGRP for IPv4 and IPv6 on two separate networks. Your task includes enabling EIGRP, assigning router IDs, changing the hello timers, and limiting EIGRP advertisements.

Instructions

Requirements

EIGRP for IPv4

• Implement EIGRP on IPv4-enabled routers using Autonomous System 1.

  • Use a single classful network address to advertise the loopback interfaces.
  • Use the wildcard mask to advertise the /30 networks between R1, R2 and IPv4-Edge.
  • Use the default passive interface method and only allow EIGRP updates out the active EIGRP serial interfaces.
R1(config)# router eigrp 1
R1(config-router)# passive-interface default
R1(config-router)# no passive-interface Serial0/0/0
R1(config-router)# network 172.31.0.0

R2(config)# router eigrp 1
R2(config-router)# passive-interface default
R2(config-router)# no passive-interface Serial0/0/1
R2(config-router)# network 10.0.0.0

IPv4-Edge(config)# router eigrp 1
IPv4-Edge(config-router)# passive-interface default
IPv4-Edge(config-router)# no passive-interface Serial0/0/0
IPv4-Edge(config-router)# no passive-interface Serial0/0/1
IPv4-Edge(config-router)# network 172.31.6.0 0.0.0.3
IPv4-Edge(config-router)# network 10.10.8.0 0.0.0.3

• Configure a directly attached default route on IPv4-Edge and propagate it in EIGRP updates.

IPv4-Edge(config)# ip route 0.0.0.0 0.0.0.0 Serial0/1/0
IPv4-Edge(config)# router eigrp 1
IPv4-Edge(config-router)# redistribute static

• Configure the serial interfaces between R1, R2 and IPv4-Edge to send hellos every 10 seconds.

R1(config)# interface s0/0/0
R1(config-if)# ip hello-interval eigrp 1 10

R2(config)# interface s0/0/1
R2(config-if)# ip hello-interval eigrp 1 10

IPv4-Edge(config)# interface s0/0/0
IPv4-Edge(config-if)# ip hello-interval eigrp 1 10
IPv4-Edge(config-if)# interface s0/0/1
IPv4-Edge(config-if)# ip hello-interval eigrp 1 10

R1 and R2 should have a default route in the routing table (D*EX).

• Verify R1 and R2 can ping the IPv4 Server. IPv4 Server should also be able to ping every loopback address on R1 and R2.

EIGRP for IPv6

• Implement EIGRP for IPv6 on the IPv6-enabled routers using Autonomous System 1.

  • Assign IPv6-Edge with the router ID of 1.1.1.1
  • Assign R3 with the router ID of 3.3.3.3
  • Assign R4 with the router ID of 4.4.4.4
IPv6-Edge(config)# ipv6 unicast-routing
IPv6-Edge(config)# ipv6 router eigrp 1
IPv6-Edge(config-rtr)# eigrp router-id 1.1.1.1
IPv6-Edge(config-rtr)# no shutdown
IPv6-Edge(config-rtr)# interface Serial0/0/0
IPv6-Edge(config-if)# ipv6 eigrp 1
IPv6-Edge(config-if)# interface Serial0/0/1
IPv6-Edge(config-if)# ipv6 eigrp 1

R3(config)# ipv6 unicast-routing
R3(config)# ipv6 router eigrp 1
R3(config-rtr)# eigrp router-id 3.3.3.3
R3(config-rtr)# no shutdown
R3(config-rtr)# interface Loopback0
R3(config-if)# ipv6 eigrp 1
R3(config-if)# interface Loopback1
R3(config-if)# ipv6 eigrp 1
R3(config-if)# interface Loopback2
R3(config-if)# ipv6 eigrp 1
R3(config-if)# interface Loopback3
R3(config-if)# ipv6 eigrp 1
R3(config-if)# interface Serial0/0/0
R3(config-if)# ipv6 eigrp 1

R4(config)# ipv6 unicast-routing
R4(config)# ipv6 router eigrp 1
R4(config-rtr)# eigrp router-id 4.4.4.4
R4(config-rtr)# no shutdown
R4(config-rtr)# interface Loopback8
R4(config-if)# ipv6 eigrp 1
R4(config-if)# interface Loopback9
R4(config-if)# ipv6 eigrp 1
R4(config-if)# interface Loopback10
R4(config-if)# ipv6 eigrp 1
R4(config-if)# interface Loopback11
R4(config-if)# ipv6 eigrp 1
R4(config-if)# interface Serial0/0/1
R4(config-if)# ipv6 eigrp 1

• Configure a directly attached default route on IPv6-Edge and propagate it in EIGRP updates.

IPv6-Edge(config)# ipv6 route ::/0 Serial0/1/0
IPv6-Edge(config)# ipv6 router eigrp 1
IPv6-Edge(config-rtr)# redistribute static

R3 and R4 should show a default external route in the routing table.

• Verify R3 and R4 can ping the IPv6 Server. IPv6 Server should also be able to ping every loopback address on R3 and R4.

Answer Scripts

Router IPv4-Edge

enable
configure terminal
interface Serial0/0/0
ip hello-interval eigrp 1 10
interface Serial0/0/1
ip hello-interval eigrp 1 10
router eigrp 1
 redistribute static
 passive-interface default
 no passive-interface Serial0/0/0
 no passive-interface Serial0/0/1
 network 172.31.6.0 0.0.0.3
 network 10.10.8.0 0.0.0.3
ip route 0.0.0.0 0.0.0.0 Serial0/1/0
end

Router R1

enable
configure terminal
interface Serial0/0/0
ip hello-interval eigrp 1 10
router eigrp 1
 passive-interface default
 no passive-interface Serial0/0/0
 network 172.31.0.0
end

Router R2

enable
configure terminal
interface Serial0/0/1
ip hello-interval eigrp 1 10
router eigrp 1
 passive-interface default
 no passive-interface Serial0/0/1
 network 10.0.0.0
end

Router IPv6-Edge

enable
configure terminal
ipv6 unicast-routing
interface Serial0/0/0
ipv6 eigrp 1
interface Serial0/0/1
ipv6 eigrp 1
ipv6 router eigrp 1
eigrp router-id 1.1.1.1
no shutdown
redistribute static
ipv6 route ::/0 Serial0/1/0
end

Router R3

enable
configure terminal
ipv6 unicast-routing
interface Loopback0
ipv6 eigrp 1
interface Loopback1
ipv6 eigrp 1
interface Loopback2
ipv6 eigrp 1
interface Loopback3
ipv6 eigrp 1
interface Serial0/0/0
ipv6 eigrp 1
ipv6 router eigrp 1
 eigrp router-id 3.3.3.3
 no shutdown
end

Router R4

enable
configure terminal
ipv6 unicast-routing
interface Loopback8
ipv6 eigrp 1
interface Loopback9
ipv6 eigrp 1
interface Loopback10
ipv6 eigrp 1
interface Loopback11
ipv6 eigrp 1
interface Serial0/0/1
ipv6 eigrp 1
ipv6 router eigrp 1
 eigrp router-id 4.4.4.4
 no shutdown
end

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